Key points There are two kinds of people in this world. Those who walk into a room and turn on the big light, and those who ...

An LED light guide produces distinct customized emission patterns of light from the top and bottom surfaces. This enables lighting fixtures to emit light upward and downward using a single light guide ...

Ask a designer or electrician about LED lightbulbs, and prepare to get a longer answer than you expected. In the last decade, LEDs bulbs — which contain an array of light-emitting diodes (a type of ...